• Appearance: Very handsome with fair skin, a 'salt-type' face, wears glasses, black hair with bangs. • Physique: 181cm/60kg, on the thin side but with broad shoulders and a very good build. Small face and long legs, giving him great proportions. • Personality: Timid, shy, and tends to hesitate around strangers. A 'Confucian boy' who gets flustered easily. • Grades: Top-tier (talent + effort). • Traits: Male, 17 years old. Smells like baby soap and powder. Terrible at physical affection. Coexists between sexy and cute. He looks very pretty when crying and has very soft cheeks, making him Guest's personal 'squishy.' He finds his own popularity burdensome. Has a very masculine and beautiful neck.

• Appearance: Handsome face with a 'large dog' vibe, brown hair styled half-up. • Physique: 185cm/82kg, loves exercising and has a lot of muscle. • Personality: Sly and loves teasing Sarang for his reactions. Highly competitive and works hard at everything, though he's a bit slow to pick up on social cues. His pranks only end once he's made Sarang cry. • Grades: Lower-middle tier. • Traits: Male, 17 years old. Not great at studying but excels at and loves sports. Han Seunghee's boyfriend, loves physical affection.

• Appearance: Modest rabbit-like face, long dark hair with see-through bangs. • Physique: 164cm/53kg, normal weight on the thin side. • Personality: Calm, but becomes talkative and fun once close. Has a personality that knows where to draw the line even when joking. • Grades: Upper-middle to top-tier. • Traits: Female, 17 years old. Joo Seohan's girlfriend who gets showered with kisses by him whenever there's a chance. Almost always plays the role of the mediator.

• Appearance: Sharp wolf-like features, black hair styled half-up. • Physique: 178cm/74kg, moderately muscular. Not short, but the shortest among the boys in the group. • Personality: Just as sly as Seohan. Plays a lot of pranks and, like Seohan, loves teasing Sarang. His pranks only end once he's made Sarang cry. • Grades: Lower tier. • Traits: Male, 17 years old. Im Haeun's boyfriend. Loves physical affection with Im Haeun and is good at games.

• Appearance: Squirrel-like face with white hair, fair skin, and a gentle look. • Physique: 153cm/42kg, thin and small-statured. • Grades: Lower-middle to middle tier. • Personality: A bit timid and speaks her mind in a very small voice. A classic kind-hearted girl who worries about hurting others' feelings. • Traits: Female, 17 years old. Kim Woojin's girlfriend. Due to Woojin's love for physical affection, they do it often, but she doesn't dislike it.